CN205985629U

CN205985629U - Built -in safe socket

Info

Publication number: CN205985629U
Application number: CN201620721393.XU
Authority: CN
Inventors: 纪孔金
Original assignee: Wenzhou Guohao Electromechanical Technology Co Ltd
Current assignee: Hubei Yihang New Material Technology Co., Ltd.
Priority date: 2016-07-07
Filing date: 2016-07-07
Publication date: 2017-02-22
Anticipated expiration: 2026-07-07

Abstract

The utility model discloses a built -in safe socket, including the live wire plug bush, the live wire plug bush includes live wire fishplate bar and live wire groove cover, and leaves the clearance between the two, and clearance department is equipped with the trigger switch subassembly, the trigger switch subassembly is located the bottom surface of live wire fishplate bar, inserting when the plug, when not promoting the trigger switch subassembly, not switching on in the cover of the live wire groove of socket, even the user touched the plug current -carrying part this moment, also can do not not electrocute by the high -tension electricity, the security is higher. The trigger switch subassembly is located the bottom surface of live wire fishplate bar, has and only has when the plug inserts on earth completely, and whole socket could be switched on, and the conductive metal part of plug can not exposed outside the socket this moment, effectively avoided the user to contact, avoided electrocuteeing.

Description

Built-in safety socket

Technical field

The utility model is related to socket, and it is built-in safety socket.

Background technology

Socket is used to electrical appliance and provides the device of power supply, but due to lying substantially in the state of energising in socket (maintaining voltage on live wire), therefore when the socket not used time, the circuit in socket still leaves electricity, when liquid enters socket When, due to still maintaining voltage on live wire, the moment that liquid enters makes the short circuit in socket, leads to socket to burn, deposits In higher safety issue.

When a plug is to be inserted into the socket, due to higher voltage being maintained on live wire, when the finger grip of user is in plug Upper it is easy to allow user's electric shock；Or when plug insertion is incomplete, exposed metal conduction portions, also carry high pressure Electricity, danger is higher.

Utility model content

Goal of the invention of the present utility model is to solve the problems, such as the circuit in liquid or moisture switch, providing Built-in safety socket, when socket is fully inserted into bottom, socket is just energized, and is prevented effectively from user and gets an electric shock, safe.

In order to realize above-mentioned utility model purpose, the utility model employs technical scheme below：Built-in safety socket, Including conductive sleeve, described conduction sleeve includes live wire sleeve and zero line sleeve, and live wire sleeve includes live wire fishplate bar and live wire groove Set, zero line sleeve includes zero line fishplate bar and zero line groove set, separately positioned between described live wire fishplate bar and live wire groove set leave gap, Described gap location is provided with for controlling the trigger switch assembly connecting live wire fishplate bar and live wire groove set；Described trigger switch assembly, Including housing, shift knob, automatically isolation door and the main spring for shift knob；Described shift knob includes pressing portion And movable contact, pressing portion is located at outside housing and in live wire groove set, described shift knob is provided with can when inserting for plug Promote inclined-plane or the cambered surface of pressing portion inward compression, movable contact is located at the bottom surface of live wire groove set；Movable contact rear end is provided with convex Portion, main spring is sheathed on movable contact side surface；Described housing is provided with the first cavity volume and the second cavity volume, is provided with parallel peace in housing It is loaded on the first binding post and second binding post of housing side, the first binding post end is provided with the first contact site, first In the first cavity volume, the second binding post end is provided with the second contact site being conductively connected with protuberance for contact site, and second connects Contact portion is located at the inwall of the second cavity volume, and movable contact, protuberance and main spring are respectively positioned in the second cavity volume；Described automatic isolation door knot Structure includes line traffic control, assembly pulley and the open and close door with resetting-mechanism, and movable contact passes through cooperation and the open and close door of assembly pulley and line traffic control Indexing connects, and described open and close door is located between first inner chamber and second inner chamber；Movable contact controls open and close door by pullling line traffic control Keying；First binding post connects live wire fishplate bar, and the second binding post connects live wire groove set；When plug inserts, switch is pressed When inclined-plane on button or cambered surface pushes on movable contact move inward and promote main spring compression, movable contact pulls open institute by line traffic control State open and close door, movable contact front end is pressed on the first contact site, the protuberance on movable contact compresses contact the second binding post Second contact site, the second contact site, protuberance, the front end of movable contact and the first contact site are sequentially communicated, and live wire groove covers and live wire Fishplate bar connects, the set energising of live wire groove, and socket is powered；

When plug is extracted, when shift knob resets, the protuberance on described movable contact leaves described second binding post The second contact site, open and close door resets and closes, and the first binding post and the second binding post disconnect, and live wire groove set is disconnected Electricity, socket is not powered.

Preferably, the first contact site of described first binding post adopts memory alloy material, and the first contact site includes holding Portion, for movable contact contact arc contact portion and heating make arc contact portion kink detached with movable contact；Described end Portion is located at the two ends of the first contact site and is fixed with enclosure interior, and described bending part is between arc contact portion and end.

Preferably, it is provided with the chute for open and close door telescopic slide in described housing, the resetting-mechanism of open and close door includes resetting Spring, back-moving spring is located in chute and presses on one end of open and close door.

Preferably, described second contact site is provided with the inclined-plane of movable contact rear end.

Preferably, described second contact site is in the becket with inclined-plane, and the inclined-plane of becket is towards movable contact rear end.

Preferably, it is provided with two automatic isolation doors with regard to shift knob center specular in described housing altogether.

Preferably, described shift knob is directed downward or is horizontally disposed with.

Preferably, the relative side of described two open and close doors is equipped with sealing strip.

Preferably, described zero line sleeve is provided with and live wire sleeve identical trigger switch assembly, zero line fishplate bar and zero line groove Separately positioned between set leave gap, for control connect zero line fishplate bar and zero line groove set trigger switch assembly be arranged at gap Place, the first binding post of trigger switch assembly and the second binding post are connected with zero line groove set and zero line fishplate bar respectively.

Preferably, described trigger switch assembly is located at the bottom surface of zero line fishplate bar.

Compared with prior art, employ the built-in safety socket of technique scheme, have the advantages that：

First, adopt built-in safety socket of the present utility model, when plug inserts, when not promoting trigger switch assembly, It is not powered in the live wire groove set of socket, even if now user's touching plug conducting part, also will not be got an electric shock by high-tension electricity, safety Property is higher.

2nd, the movable contact of trigger switch assembly is located at the bottom surface of live wire sleeve, has and only when plug is completely inserted into During bottom, whole socket could be energized, now the conductive metallic portion of plug will not exposed outside socket, be prevented effectively from user and connect Touch, it is to avoid get an electric shock.

3rd, the trigger switch assembly in built-in safety socket, can effectively stop liquid by automatic isolation door Body and steam invade in socket circuit, and when shift knob, in the case of not stressing, shift knob is ejected by main spring, open and close door Effect by resetting-mechanism is ejected, and the first cavity volume and the isolation of the second cavity volume are come, and effectively stops steam or liquid enters the In one binding post and its first contact site, so that the circuit in switch is completely cut off completely and come it is ensured that before shift knob presses, opening Close circuit and be in absolute off-state, the first contact site is in completely enclosed state, and whole socket is in cold state, that is, Make liquid enter do not result in socket yet Live line Zero line connection, it is to avoid short circuit and burn.

When the pressing portion of inclined-plane or cambered surface pull switch button is inserted and passed through to the metal part of plug, shift knob is subject to During pressure reach, main spring is compressed, and movable contact is followed shift knob and together advanced and pass through line traffic control and assembly pulley drive keying Door is opened, and open and close door compressing resetting-mechanism is simultaneously opened, and enables movable contact to contact the first contact site of the first binding post, with When movable contact protrusions contact second binding post the second contact site, the first binding post and the second binding post pass through the The effect of one contact site-movable contact-the second contact site is realized being electrically connected, and makes live wire groove cover interior energising.

Brief description

Fig. 1 is the structural representation of the utility model built-in safety socket；

Fig. 2 is the structural representation of conductive sleeve and trigger switch assembly in embodiment 1；

Fig. 3 is the fractionation schematic diagram of conductive sleeve and trigger switch assembly in embodiment 1；

Fig. 4 is the sectional view (trigger switch assembly is off) of trigger switch assembly in embodiment 1；

Fig. 5 is the sectional view (trigger switch assembly is in closure state) of trigger switch assembly in embodiment 1；

Fig. 6 is the sectional view (trigger switch assembly is off) automatically completely cutting off door in embodiment 1；

Fig. 7 is the sectional view (trigger switch assembly is in closure state) automatically completely cutting off door in embodiment 1；

Fig. 8 is the connection diagram (normal condition) of the first contact site and movable contact in embodiment 1；

Fig. 9 is the connection diagram (overload) of the first contact site and movable contact in embodiment 1；

Figure 10 is the sectional view (trigger switch assembly is in closure state) of trigger switch assembly in embodiment 2；

Figure 11 is the structural representation of the second contact site in embodiment 2；

Figure 12 is the structural representation of conductive sleeve and trigger switch assembly in embodiment 3；

Figure 13 is the fractionation schematic diagram of conductive sleeve and trigger switch assembly in embodiment 3.

Reference：1st, trigger switch assembly；10th, the first binding post；100th, the first contact site；1000th, end； 1001st, arc contact portion；1002nd, kink；11st, the second binding post；110th, the second contact site；20th, line traffic control；21st, open and close door； 210th, back-moving spring；211st, chute；212nd, spacing base plate；213rd, sealing ring；214th, sealing ring；215th, sealing strip；22nd, pulley Group；3rd, shift knob；30th, main spring；31st, movable contact；310th, protuberance；40th, live wire fishplate bar；41st, gap；42nd, live wire groove set； 50th, zero line fishplate bar；51st, gap；52nd, zero line groove set.

Specific embodiment

Below in conjunction with the accompanying drawings the utility model is described further.

Embodiment 1：

A kind of built-in safety socket as shown in Figure 1 to 9, including conductive sleeve, described conduction sleeve includes live wire and inserts Set and zero line sleeve, live wire sleeve includes live wire fishplate bar 40 and live wire groove set 42, and zero line sleeve includes zero line fishplate bar 50 and zero line Groove set 52, live wire fishplate bar 40 and live wire groove set 42 between separately positioned leave gap 41, be provided with for controlling at described gap 41 Connect live wire fishplate bar 40 and the trigger switch assembly 1 of live wire groove set 42；Trigger switch assembly 1 is located at the bottom surface of live wire fishplate bar 40.

Trigger switch assembly 1 is mainly used in controlling the connection of live wire groove set 42 and live wire fishplate bar 40, when trigger switch assembly 1 First, second binding post by live wire groove set 42 be connected with live wire fishplate bar 40 when, can make socket energising.

Trigger switch assembly 1 is located at the bottom of live wire fishplate bar 40, and the metal part of therefore only plug is fully-inserted on earth When, socket could be energized, and the metal part of plug also exposed will not can be prevented effectively from user's contact outside socket, keeps away Exempt to get an electric shock, be just energized when only inserting complete, protect user, safe.

Trigger switch assembly 1, including housing, shift knob 3, two to automatic isolation door and the master for shift knob Spring 30, isolation door is with regard to shift knob 3 center specular automatically.

Shift knob 3 includes pressing portion and movable contact 31, and pressing portion is located at outside housing, and pressing portion is provided with inclined-plane, pushes The chamfered portion in portion is located in live wire groove set 42, when the metal conduction portions of plug insert, can will push against portion by inclined-plane Internally compress, movable contact 31 sets rear end protuberance 310, main spring 30 is sheathed on movable contact 31 side surface.

Housing is provided with the first cavity volume and the second cavity volume, is provided with the first binding post being parallelly mounted to housing side in housing 10 and second binding post 11, the first binding post 10 end is provided with the first contact site 100, and the first contact site 100 is located at first In cavity volume, the second binding post 11 end is provided with the second contact site 110 being conductively connected, the second contact site 110 with protuberance 310 Positioned at the inwall of the second cavity volume, movable contact 31, protuberance 310 and main spring 30 are respectively positioned in the second cavity volume.

Automatically isolation door includes line traffic control 20, assembly pulley 22 and the open and close door with resetting-mechanism 21, and movable contact 31 leads to The cooperation crossing assembly pulley 22 and line traffic control 20 is connected with open and close door 21 indexing, open and close door 21 positioned at first inner chamber and second inner chamber it Between；Movable contact 31 controls the keying of open and close door by pullling line traffic control 20.

It is provided with the chute 211 for open and close door 21 telescopic slide, the resetting-mechanism of open and close door 21 includes back-moving spring in housing 210, back-moving spring 210 is located in chute and presses on one end of open and close door 21, and open and close door 21 back and forth can be slided in chute 211 Dynamic, similar to gate or push, back-moving spring 210 is that open and close door 21 provides the elastic force resetting.

As shown in Figure 4 and Figure 6, when the conductive metallic portion of plug is not inserted into live wire groove set 42 or insertion not depth, when Shift knob 30 is ejected by shift knob 3 main spring 30 in the case of not stressing, and open and close door 21 is subject to making of back-moving spring 210 With ejecting, the open and close door of both sides all closes to middle part and compresses, and the first cavity volume and the isolation of the second cavity volume is come, effectively stops Steam or liquid enter in the first binding post 10 and its first contact site 100, so that the circuit in switch is completely cut off completely and come, protect Before shift knob presses 3 times, on-off circuit is in absolute off-state to card, and the first contact site 100 is in completely enclosed state, fire Come by gap 41 cut-off between line fishplate bar 40 and live wire groove set 42, no power in live wire.

As shown in figure 5 and figure 7, when the conductive metallic portion of plug fully-inserted live wire groove set 42, shift knob 3 is pressurized During reach, main spring 30 is compressed, and movable contact 31 is followed shift knob 3 and together advanced and pass through line traffic control 20 and assembly pulley 22 carries Dynamic open and close door 21 is opened, and open and close door 21 compressing back-moving spring 210 is simultaneously opened to both sides, and middle part forms one and supplies movable contact 31 to lead to The passage crossed, enables movable contact 31 to contact the first contact site 100 of the first binding post 10, movable contact 31 is convex simultaneously Portion 310 contacts the second contact site 110 of the second binding post 11, and the first binding post 10 and the second binding post 10 pass through first The effect of contact site 100- movable contact 31- the second contact site 110 is realized being electrically connected, and makes live wire part live wire fishplate bar 40 and live wire Groove set 42 connection, energising in live wire groove set 42, socket is energized and powers to the plug position of electrical appliance.

Second contact site 110 is provided with the inclined-plane of movable contact 31 rear end, the second contact site 110 can increase its with convex The contact area in portion 310, effectively avoids contact with bad phenomenon, improves security.

Shift knob 3 direction upward, then when there being liquid to come in, by Action of Gravity Field can directly pass through shift knob 3 with The gap of the second cavity volume enters in the second cavity volume, and then enters into the automatic isolation assembly pulley 22 of door and the sky of line traffic control 20 Interior, and threaten the first contact site 100 in the first cavity volume.

Therefore, shift knob 3 direction is horizontally disposed with, and liquid can be made to be not easy directly to be subject to Action of Gravity Field to enter the second appearance In chamber.

Two relative sides of open and close door 21 are equipped with sealing strip 215.When open and close door closes, sealing strip 215 can have The seal of the raising open and close door of effect, prevents liquid and steam from being entered in the first cavity volume by the second cavity volume.

Open and close door 21 bottom is provided with spacing base plate 212, is provided with sealing ring between spacing base plate 212 and chute 211 diapire 213, the pressure spacing base plate 212 being applied by back-moving spring 210, spacing base plate 212 compresses sealing ring 213, improves airtight Property and water proofing property.

Exit in the second cavity volume for the line traffic control 20 in the present embodiment is located at protuberance 310 position, therefore sets in exit It is equipped with sealing ring 214, when movable contact 31 resets in the presence of main spring 30 elastic force, protuberance 310 is pressed in sealing ring 214, the steam being prevented effectively from the second cavity volume enters in the cavity that assembly pulley 22 and line traffic control 20 are located.

At above three, seal (sealing strip 215, sealing ring 213 and sealing ring 214) is all to be in shift knob 3 not being subject to Power state, the elastic force effect of main spring 30 and back-moving spring 210 makes seal be compressed, thus playing sealing effectiveness.

First contact site 100 of the first binding post 10 adopts memory alloy material, and the first contact site 100 includes end 1000th, it is used for making arc contact portion 1001 detached with movable contact 31 curved with the arc contact portion 1001 of movable contact contact and heating Folding part 1002；End 1000 is located at the two ends of the first contact site 100 and is fixed with enclosure interior, and kink 1002 is located at arc and touches Between portion 1001 and end 1000.

The memory alloy material adopting in the present embodiment has a feature, that is, when the first contact site 100 temperature rises, curved The bending angle of folding part 1002 can become big, and end 1000 is the fixation for the first contact site 100 two ends.

As shown in Figure 5 and Figure 6, when the power switching vigour part is excessive or transships, the electricity passing through in the first contact site 100 Stream is larger, and the heat of generation becomes many, and the first contact site 100 bulk temperature rises, because end 1000 two ends are fixing, therefore Kink 1002 shrinks and close to two ends, and arc contact portion 1001 is overall to be offset to the left side, produces spacing simultaneously with movable contact 31 Disconnect with movable contact 31, now switch is off, it is to avoid electrical appliance overload is it is ensured that security.

Embodiment 2：

The present embodiment is relative to the difference of embodiment 1：Second contact site 110 is in the becket with inclined-plane, becket Towards movable contact 31 rear end, ringwise, movable contact 30 is round table-like to protuberance 310 on inclined-plane.

Its corresponding effect is as follows：First, the annular chamfer of becket constitutes a conical surface, and the second contact site 110 is permissible Increase the contact area of itself and protuberance 310, effectively avoid contact with bad phenomenon, improve security.

Secondly, the cone match annular protrusion 310 of becket, protuberance 310 and becket can be made concentric it is ensured that the two Concentric rate, makes the top of contact can accurately be directed at the arc contact portion 1001 of the first contact site 100, it is to avoid produce during misalignment Loose contact.

Embodiment 3：

The present embodiment is relative to the difference of embodiment 1：Zero line sleeve is provided with and live wire sleeve identical trigger switch group Part 1, separately positioned between zero line fishplate bar 50 and zero line groove set 52 leave gap, connect zero line fishplate bar 50 and zero line groove for controlling The trigger switch assembly 1 of set 52 is arranged at gap 51, the first binding post 10 of trigger switch assembly 1 and the second binding post 11 are connected with zero line groove set 52 and zero line fishplate bar 50 respectively.

The function of trigger switch assembly 1 on zero line sleeve is same with switch module 1 function phase on live wire sleeve.Because In daily life, may there is a misconnection in the live wire of socket and zero line during connecing, and that is, zero line and live wire are reversed.

Insert row on market, it has plug, and plug mostly is three prongs of plug, and it is slotting that reason is that three prongs of plug can ensure that In row, zero line live wire is corresponding, because the direction of insertion of three prongs of plug is fixed-direction, double inserting then can be exchanged mutually.

But part manufacturer can produce double plugs inserted according to the actual requirements, if the utility model is applied to the instruments such as insert row When, when the plug of insert row is double inserting, double plugs are not easy when using to distinguish zero line and live wire, if the insertion of double plug Direction reversely, is then connected with high-tension electricity in zero line sleeve, and live wire sleeve 52 then no power, be equivalent to zero line live wire and exchange.

Therefore the present embodiment is advantageous in that, after zero line live wire is exchanged, still can give play to and to have mentioned in embodiment 1 Function, security is higher.

It is more than preferred embodiment of the present utility model, for the person of ordinary skill of the art without departing from this reality On the premise of new principle, some modifications and improvement can also be made, these also should be regarded as protection domain of the present utility model.

Claims

1. built-in safety socket, including conductive sleeve, described conduction sleeve includes live wire sleeve and zero line sleeve, live wire sleeve Including live wire fishplate bar (40) and live wire groove set (42), zero line sleeve includes zero line fishplate bar (50) and zero line groove set (52), its feature It is：Separately positioned between described live wire fishplate bar (40) and live wire groove set (42) leave gap (41), described gap (41) place sets Have for controlling the trigger switch assembly (1) connecting live wire fishplate bar (40) and live wire groove set (42)；

Described trigger switch assembly (1), including housing, shift knob (3), automatically isolation door and the master for shift knob Spring (30)；

- described shift knob (3) includes pressing portion and movable contact (31), and pressing portion is located at outside housing and is located at live wire groove set (42) in, described shift knob (3) is provided with inclined-plane or the cambered surface that can promote pressing portion inward compression for plug when inserting, activity Contact (31) is located at the bottom surface of live wire groove set (42)；Movable contact (31) rear end is provided with protuberance (310), and main spring (30) is sheathed on Movable contact (31) side surface；

- described housing is provided with the first cavity volume and the second cavity volume, is provided with the first terminals being parallelly mounted to housing side in housing Sub (10) and the second binding post (11), the first binding post (10) end is provided with the first contact site (100), the first contact site (100) it is located in the first cavity volume, the second binding post (11) end is provided with the second contact site being conductively connected with protuberance (310) (110), the second contact site (110) is located at the inwall of the second cavity volume, and movable contact (31), protuberance (310) and main spring (30) are all In the second cavity volume；

- described automatic isolation door includes line traffic control (20), assembly pulley (22) and the open and close door with resetting-mechanism (21), and activity is touched The cooperation that head (31) passes through assembly pulley (22) and line traffic control (20) is connected with open and close door (21) indexing, and described open and close door (21) is positioned at the Between one inner chamber and second inner chamber；Movable contact (31) controls the keying of open and close door by pullling line traffic control (20)；

First binding post (10) connects live wire fishplate bar (40), and the second binding post (11) connects live wire groove set (42)；

When plug inserts, the inclined-plane on shift knob (3) or cambered surface pushes on movable contact (31) move inward and promote main bullet During spring (30) compression, movable contact (31) pulls open described open and close door (21) by line traffic control (20), and movable contact (31) front end compresses Protuberance (310) on the first contact site (100), movable contact (31) compresses the second contact of contact the second binding post (11) Portion (110), the second contact site (110), protuberance (310), the front end of movable contact (31) and the first contact site (100) connect successively Logical, live wire groove set (42) is connected with live wire fishplate bar (40), and live wire groove set (42) is energized, and socket is powered；

When plug is extracted, when shift knob (3) resets, the protuberance (310) on described movable contact (31) leaves described second Second contact site (110) of binding post (11), open and close door resets and closes, the first binding post (10) and the second binding post (11) disconnect, live wire groove set (42) power-off, socket is not powered.

2. built-in safety socket according to claim 1 it is characterised in that：The first of described first binding post (10) Contact site (100) adopts memory alloy material, and the first contact site (100) includes end (1000), for movable contact contact Arc contact portion (1001) and heating make arc contact portion (1001) kink (1002) detached with movable contact (31)；Described end Portion (1000) is located at the two ends of the first contact site (100) and is fixed with enclosure interior, and described kink (1002) is located at arc and touches Between portion (1001) and end (1000).

3. built-in safety socket according to claim 2 it is characterised in that：It is provided with described housing for open and close door (21) The chute (211) of telescopic slide, the resetting-mechanism of open and close door (21) includes back-moving spring (210), and back-moving spring (210) is located to be slided In groove and press on one end of open and close door (21).

4. built-in safety socket according to claim 3 it is characterised in that：Described second contact site (110) is provided with court Inclined-plane to movable contact (31) rear end.

5. built-in safety socket according to claim 3 it is characterised in that：Described second contact site (110) is in that band is oblique The becket in face, the inclined-plane of becket is towards movable contact (31) rear end.

6. built-in safety socket according to claim 1 it is characterised in that：It is provided with two altogether with regard to opening in described housing Close the automatic isolation door of button (3) center specular.

7. built-in safety socket according to claim 1 it is characterised in that：Described shift knob (3) be directed downward or It is horizontally disposed with.

8. built-in safety socket according to claim 1 it is characterised in that：Described zero line sleeve is provided with and live wire sleeve Identical trigger switch assembly (1), separately positioned between zero line fishplate bar (50) and zero line groove set (52) leaves gap, for controlling Connect zero line fishplate bar (50) and the trigger switch assembly (1) of zero line groove set (52) is arranged at gap (51) place, trigger switch assembly (1) the first binding post (10) and the second binding post (11) are connected with zero line groove set (52) and zero line fishplate bar (50) respectively.

9. built-in safety socket according to claim 8 it is characterised in that：Described trigger switch assembly (1) is located at zero The bottom surface of line fishplate bar (50).